<template>
  <HomePanel ref="target" title="热门品牌" sub-title="国际经典 品质保证">
    <template #right>
      <a href="javascript:;" @click="x=0" :class="{disabled:x === 0}" class="iconfont icon-angle-left prev"></a>
      <a href="javascript:;"     @click="x = '-50%'" :class="{disabled:x === '-50%'}" class="iconfont icon-angle-right next"></a>
    </template>
    <div class="box" ref="box">
           <!-- 🔔开发的时候可以先把所需的骨架屏写完，后面再添加 v-if 和 v-else -->
      <Transition name="fade">
        <ul v-if="list.length" class="list" :style="`transform: translateX(${x});`">
          <li v-for="item in list" :key="item.id">
            <RouterLink to="/">
              <img v-lazy="item.picture" alt="" />
            </RouterLink>
          </li>
        </ul>
        <div v-else class="skeleton">
          <XtxSkeleton class="item" v-for="i in 5" :key="i" width="240px" height="305px" bg="#e4e4e4"></XtxSkeleton>
        </div>
      </Transition>
    </div>
  </HomePanel>
</template>

<script>
import { useLazyData } from '@/hooks'
import HomePanel from './home-panel'
import { findHomeBrand } from '@/api/category'
import { ref } from 'vue'
export default {
  name: 'HomeBrand',
  components: { HomePanel },

  setup () {
    // 使用请求懒加载     // 💥 注意下useLazyData传参的情况
    const { list, target } = useLazyData(() => findHomeBrand(10))
    // console.log(111, list)
    const x = ref(0)

    return { list, target, x }
  }
}
</script>

<style scoped lang="less">
.home-panel {
  background:#f5f5f5
}
.iconfont {
  width: 20px;
  height: 20px;
  background: #ccc;
  color: #fff;
  display: inline-block;
  text-align: center;
  margin-left: 5px;
  background: @xtxColor;
  &::before {
    font-size: 12px;
    position: relative;
    top: -2px
  }
  &.disabled {
    background: #ccc;
    cursor: not-allowed;
  }
}
.box {
  display: flex;
  width: 100%;
  height: 345px;
  overflow: hidden;
  padding-bottom: 40px;
  .list {
    width: 200%;
    display: flex;
    transition: all 1s;
    li {
      margin-right: 10px;
      width: 240px;
      &:nth-child(5n) {
        margin-right: 0;
      }
      img {
        width: 240px;
        height: 305px;
      }
    }
  }
}
.skeleton {
  width: 100%;
  display: flex;
  .item {
    margin-right: 10px;
    &:nth-child(5n) {
      margin-right: 0;
    }
  }
}
</style>
